noun
authentication
aw-thehn-tih-KAYSHN
noun
1
The process of proving that something is genuine.
"The gallery required authentication of the artwork before the sale."
2
The process of confirming someone's identity, especially to log in to a system.
"Two-factor authentication adds a text message code as an extra security step."
How to Use Authentication
Learner’s notesIn plain EnglishThe act of confirming that something — or someone's identity — is genuine.
Common pairings
two-factor authentication
authentication process
biometric authentication
Word Forms
authentications plural
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The gallery required _____ of the artwork before the sale.
Etymology
From authenticate plus the suffix -ion.